/**

 * 下拉菜单js代码
 */
var list = document.querySelectorAll(".list");
function accordion(e) {
  e.stopPropagation();
  if (this.classList.contains("active")) {
    this.classList.remove("active");
  } else if (this.parentElement.parentElement.classList.contains("active")) {
    this.classList.add("active");
  } else {
    for (i = 0; i < list.length; i++) {
      list[i].classList.remove("active");
    }
    this.classList.add("active");
  }
}
for (i = 0; i < list.length; i++) {
  list[i].addEventListener("click", accordion);
}
